Managing effectivities
Edit and delete occurrence effectivities from MBOM container elements
You can edit and delete one or multiple previously added occurrence effectivities from manufacturing bill of materials (MBOM) container elements, including unit end items).
Procedure
On the BOM Alignment page, in the MBOM panel, select one or more container elements that contain elements to be edited, and in the MBOM toolbar, click Manage →Element Effectivity .
In the Element Effectivity panel, select the preferred effectivity and click Edit .
In the EDIT group, modify the effectivity properties such as names, date and unit range as necessary.
If the effectivity is a unit activity and you want to change its default MBOM root end item, do the following.
In the Element Effectivity panel, click Replace .
In the End Item panel, on the default Palette tab, select a different end item from the Clipboard, Favorites, or Recent groups.
Note You can also use the Search tab to locate a specific end item, and then select that item.
- Click Save.
The effectivity date is displayed in the Element Effectivities group, and a icon displays next to the MBOM container element in the MBOM panel of the BOM Alignment page. To view effectivities for the MBOM container element, hover your mouse over the icon.
- To remove an effectivity from an element, in the Element Effectivities panel, select the effectivity, and click Remove .
Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.xid2214895/xid1966413 · retrieved 2026-07-11